Finding the Fourth Proportional to 1,691.74, 2,333.78 and 1,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691.74 : 2,333.78 = 1,061.94 : x
2. Step 2: Convert to fraction form
   1,691.74/2,333.78 = 1,061.94/x
3. Step 3: Cross multiply
   1,691.74x = 2,333.78 × 1,061.94
4. Step 4: Simplify right side
   1,691.74x = 2,478,334.33
5. Step 5: Solve for x
   x = 2,478,334.33/1,691.74
6. Step 6: Final answer
   x = 1,464.96